diff --git a/hsXenCtrl.cabal b/hsXenCtrl.cabal
--- a/hsXenCtrl.cabal
+++ b/hsXenCtrl.cabal
@@ -1,5 +1,5 @@
 name:                hsXenCtrl
-version:             0.1.0
+version:             0.1.1
 synopsis:            FFI bindings to the Xen Control library.
 description:         FFI bindings to xenctrl.h and perhaps more.
                      The System.Xen.CBindings should provide direct access
@@ -17,7 +17,7 @@
 maintainer:          thomas.dubuisson@gmail.com
 homepage:            http://haskell.org/haskellwiki/HsXenCtrl
 stability:           experimental
-build-Depends:       base >= 3.0 && < 4.5 , bytestring < 1.0 , mtl < 1.2 && >= 1.0, dlist == 0.5, array >= 0.2 && < 0.4
+build-Depends:       base >= 3.0 && < 4.5 , bytestring < 1.0 , mtl <= 2.2.0.0 && >= 1.0, dlist == 0.5, array >= 0.2 && < 0.4
 build-type:          Simple
 ghc-options:         
 exposed-modules:     System.Xen.CBindings, System.Xen